157 lines
4.0 KiB
C++
157 lines
4.0 KiB
C++
/**
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* @file network.cpp
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* @author Alexander Klein (alex@kleiax.de)
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* @brief
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* @version 0.1
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* @date 2023-09-18
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*
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* @copyright Copyright (c) 2023
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*
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*/
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#include "network.h"
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Network::Network(const char *ssid, const char *passphrase)
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{
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if (!WiFi.mode(WIFI_STA))
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std::cout << "Network::connectWiFi failed WiFi.mode" << std::endl;
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this->init(ssid, passphrase);
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}
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Network::Network(const char *ssid, const char *passphrase, NetworkAddresses addresses)
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{
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this->addresses = addresses;
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if (!WiFi.mode(WIFI_STA))
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std::cout << "Network::connectWiFi failed WiFi.mode" << std::endl;
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if (!WiFi.config(this->addresses.localIP,
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this->addresses.gateway,
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this->addresses.subnet,
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this->addresses.dnsServer))
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{
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std::cout << "STA Failed to configure" << std::endl;
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}
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this->init(ssid, passphrase);
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}
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Network::~Network()
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{
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if (this->mqttClient)
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delete mqttClient;
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}
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bool Network::activateMqtt(const char *user, const char *passphrase)
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{
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this->mqttUser = user;
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this->mqttPassphrase = passphrase;
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this->mqttClient = new PubSubClient(this->wifiClient);
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this->mqttClient->setServer(this->addresses.mqttServer, this->addresses.mqttPort);
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this->mqttClient->setSocketTimeout(1);
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if (this->wifiConnected)
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return this->connectMqtt();
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return false;
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}
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bool Network::activateMqtt(const char *user, const char *passphrase, IPAddress server, uint16_t port)
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{
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this->addresses.mqttServer = server;
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this->addresses.mqttPort = port;
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return this->activateMqtt(user, passphrase);
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}
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void Network::printIPs()
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{
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std::cout << std::endl;
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if (!this->wifiConnected)
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{
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std::cout << "WiFi is not connected." << std::endl;
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return;
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}
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std::cout << "WiFi is connected to" << std::endl;
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std::cout << "IP address: " << std::endl;
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std::cout << WiFi.localIP().toString().c_str() << std::endl;
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std::cout << "WiFi MAC Address: " << WiFi.macAddress().c_str() << std::endl
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<< std::endl;
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}
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void Network::runAsChild()
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{
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if (!this->initSuccessful)
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return;
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this->checkWifi();
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if (this->wifiConnected && this->mqttClient)
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this->checkMqtt();
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}
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void Network::init(const char *ssid, const char *passphrase)
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{
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// Connect to Wi-Fi network with SSID and password
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std::cout << "Connecting to " << ssid << std::endl;
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WiFi.begin(ssid, passphrase);
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uint8_t timeout = Network::wifiConnectTimeout;
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while (WiFi.status() != WL_CONNECTED)
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{
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delay(Network::wifiConnectLoopTime);
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std::cout << "." << std::flush;
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timeout--;
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if (timeout == 0)
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{
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std::cout << std::endl;
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std::cout << "WiFi NOT connected." << std::endl;
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return;
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}
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}
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this->wifiConnected = true;
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this->printIPs();
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}
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void Network::checkWifi()
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{
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if ((WiFi.status() != WL_CONNECTED) && (millis() - this->lastWifiReconnectAttempt >= Network::wifiReconnectDelay))
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{
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std::cout << "Reconnecting to WiFi..." << std::endl;
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WiFi.disconnect();
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this->wifiConnected = WiFi.reconnect();
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this->lastWifiReconnectAttempt = millis();
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}
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}
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void Network::checkMqtt()
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{
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if (!this->mqttClient->connected() && millis() - this->lastMqttReconnectAttempt > Network::mqttReconnectDelay)
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{
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this->mqttConnected = this->connectMqtt();
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this->lastMqttReconnectAttempt = millis();
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}
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if (this->mqttConnected)
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this->mqttClient->loop();
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}
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bool Network::connectMqtt()
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{
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String clientId = "ESP32CrazyHead-";
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clientId += String(random(0xffff), HEX);
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if (this->mqttUser)
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{
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if (this->mqttClient->connect(clientId.c_str(), this->mqttUser, this->mqttPassphrase))
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this->mqttClient->publish("CrazyHead/Info", "Connected to Mqtt-Broker");
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}
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else
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{
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if (this->mqttClient->connect(clientId.c_str()))
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this->mqttClient->publish("CrazyHead/Info", "Connected to Mqtt-Broker");
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}
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return this->mqttClient->connected();
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}
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